Chelsio Communications Chelsio T5 User's Guide download pdf (Page 237)

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Chapter XVIII. Classification and Filtering

Chelsio T5/T4 Unified Wire For Linux Page 237

2. Usage

2.1. Configuration

The Classification and Filtering feature is configured by specifying the filter selection

combination set in the firmware configuration (t5-config.txt for T5;t4-config.txt for T4) located in

/lib/firmware/cxgb4/

The following combination is set by default and packets will be matched accordingly:

i. For T5:

filterMode = srvrsram, fragmentation, mpshittype, protocol, vlan, port, fcoe

ii. For T4:

filterMode = fragmentation, mpshittype, protocol, vlan, port, fcoe

Where,

srvrsram : server-sram

fragmentation: Fragmented IP packets

mpshittype : MAC address "match type" (0=unicast, 1=unicast hash, 2=multicast, 3=multicast

hash, 4=PROM, 5=hyper PROM, 6=broadcast, 7=none)

protocol : IP protocol number (ICMP=1, TCP=6, UDP=17, etc)

vlan : Inner VLAN Tag

port : Packet ingress port number

fcoe : Fibre Channel over Ethernet frames

2.2. Creating Filter Rules

Network driver (cxgb4) must be installed and loaded before setting the filter rule.

i. If you haven’t done already, run the Unified Wire Installer with the appropriate T5/T4

configuration tuning option to install the Network Driver.

ii. Next, run the following command to load the network driver:

[root@host]# modprobe cxgb4

1 2 ... 232 233 234 235 236 237 238 239 240 241 242 ... 459 460

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Chelsio Communications Chelsio T5 User's Guide Page 237

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